diff options
| author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2018-04-08 18:49:52 +0200 |
|---|---|---|
| committer | Marek Vasut <marek.vasut+renesas@gmail.com> | 2018-04-11 23:11:58 +0200 |
| commit | f98833dbe61e8784f6c7afed8f5ff9290973d211 (patch) | |
| tree | 2b27da984a20195839f4d367a21d3a29cbbc03cb /drivers | |
| parent | 147169d9c9ed8d0e1ca6185c2e45677be9b18157 (diff) | |
mmc: matsushita-common: Add Renesas RCar quirks
Add a quirk to identify that the controller is Renesas RCar variant
of the Matsushita SD IP and another quirk indicating it can support
Renesas RCar HS200/HS400/SDR104 modes.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/matsushita-common.h | 5 | ||||
| -rw-r--r-- | drivers/mmc/renesas-sdhi.c | 43 |
2 files changed, 30 insertions, 18 deletions
diff --git a/drivers/mmc/matsushita-common.h b/drivers/mmc/matsushita-common.h index a03d8f97e5..c23dc1a79a 100644 --- a/drivers/mmc/matsushita-common.h +++ b/drivers/mmc/matsushita-common.h @@ -124,6 +124,11 @@ struct matsu_sd_priv { #define MATSU_SD_CAP_DIV1024 BIT(2) /* divisor 1024 is available */ #define MATSU_SD_CAP_64BIT BIT(3) /* Controller is 64bit */ #define MATSU_SD_CAP_16BIT BIT(4) /* Controller is 16bit */ +#define MATSU_SD_CAP_RCAR_GEN2 BIT(5) /* Renesas RCar version of IP */ +#define MATSU_SD_CAP_RCAR_GEN3 BIT(6) /* Renesas RCar version of IP */ +#define MATSU_SD_CAP_RCAR_UHS BIT(7) /* Renesas RCar UHS/SDR modes */ +#define MATSU_SD_CAP_RCAR \ + (MATSU_SD_CAP_RCAR_GEN2 | MATSU_SD_CAP_RCAR_GEN3) }; int matsu_sd_send_cmd(struct udevice *dev, struct mmc_cmd *cmd, diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index 521574387b..73f68c8c3a 100644 --- a/drivers/mmc/renesas-sdhi.c +++ b/drivers/mmc/renesas-sdhi.c @@ -24,17 +24,21 @@ static const struct dm_mmc_ops renesas_sdhi_ops = { .get_cd = matsu_sd_get_cd, }; +#define RENESAS_GEN2_QUIRKS MATSU_SD_CAP_RCAR_GEN2 +#define RENESAS_GEN3_QUIRKS \ + MATSU_SD_CAP_64BIT | MATSU_SD_CAP_RCAR_GEN3 | MATSU_SD_CAP_RCAR_UHS + static const struct udevice_id renesas_sdhi_match[] = { - { .compatible = "renesas,sdhi-r8a7790", .data = 0 }, - { .compatible = "renesas,sdhi-r8a7791", .data = 0 }, - { .compatible = "renesas,sdhi-r8a7792", .data = 0 }, - { .compatible = "renesas,sdhi-r8a7793", .data = 0 }, - { .compatible = "renesas,sdhi-r8a7794", .data = 0 }, - { .compatible = "renesas,sdhi-r8a7795", .data = MATSU_SD_CAP_64BIT }, - { .compatible = "renesas,sdhi-r8a7796", .data = MATSU_SD_CAP_64BIT }, - { .compatible = "renesas,sdhi-r8a77965", .data = MATSU_SD_CAP_64BIT }, - { .compatible = "renesas,sdhi-r8a77970", .data = MATSU_SD_CAP_64BIT }, - { .compatible = "renesas,sdhi-r8a77995", .data = MATSU_SD_CAP_64BIT }, + { .compatible = "renesas,sdhi-r8a7790", .data = RENESAS_GEN2_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7791", .data = RENESAS_GEN2_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7792", .data = RENESAS_GEN2_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7793", .data = RENESAS_GEN2_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7794", .data = RENESAS_GEN2_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7795", .data = RENESAS_GEN3_QUIRKS }, + { .compatible = "renesas,sdhi-r8a7796", .data = RENESAS_GEN3_QUIRKS }, + { .compatible = "renesas,sdhi-r8a77965", .data = RENESAS_GEN3_QUIRKS }, + { .compatible = "renesas,sdhi-r8a77970", .data = RENESAS_GEN3_QUIRKS }, + { .compatible = "renesas,sdhi-r8a77995", .data = RENESAS_GEN3_QUIRKS }, { /* sentinel */ } }; @@ -45,15 +49,18 @@ static int renesas_sdhi_probe(struct udevice *dev) DECLARE_GLOBAL_DATA_PTR; int ret; - ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev), "reg", - 0, ®_res); - if (ret < 0) { - dev_err(dev, "\"reg\" resource not found, ret=%i\n", ret); - return ret; - } + if (quirks == RENESAS_GEN2_QUIRKS) { + ret = fdt_get_resource(gd->fdt_blob, dev_of_offset(dev), + "reg", 0, ®_res); + if (ret < 0) { + dev_err(dev, "\"reg\" resource not found, ret=%i\n", + ret); + return ret; + } - if (quirks == 0 && fdt_resource_size(®_res) == 0x100) - quirks = MATSU_SD_CAP_16BIT; + if (fdt_resource_size(®_res) == 0x100) + quirks |= MATSU_SD_CAP_16BIT; + } return matsu_sd_probe(dev, quirks); } |